63364987 has 12 divisors (see below), whose sum is σ = 74045280. Its totient is φ = 54066096.

The previous prime is 63364937. The next prime is 63364991. The reversal of 63364987 is 78946336.

It is not a de Polignac number, because 63364987 - 2⁷ = 63364859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63364927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8398 + ... + 14044.

It is an arithmetic number, because the mean of its divisors is an integer number (6170440).

Almost surely, 2^63364987 is an apocalyptic number.

63364987 is a deficient number, since it is larger than the sum of its proper divisors (10680293).

63364987 is a wasteful number, since it uses less digits than its factorization.

63364987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890 (or 5883 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 63364987 is about 7960.2127484132. The cubic root of 63364987 is about 398.6726565202.

The spelling of 63364987 in words is "sixty-three million, three hundred sixty-four thousand, nine hundred eighty-seven".